/**
 * 
 */
package com.designpattern.design.facade;

/**
 * @author zhangyang
 *
 */
public class TV {

	private static TV instance = new TV();

	public static TV getInstance() {
		return instance;
	}
	
	public void on() {
		System.out.println("打开电视");
	}
	
	public void off() {
		System.out.println("关闭电视");
	}
	
	public void loud() {
		System.out.println("调大音量");
	}
}
